Zobrazeno 1 - 10
of 3 066
pro vyhledávání: '"distributed acoustic sensing"'
Publikováno v:
Urban Lifeline, Vol 2, Iss 1, Pp 1-19 (2024)
Abstract This study presents the construction of an urban underground sensing system using distributed acoustic sensing (DAS) technology, which utilizes the existing optical fiber infrastructure around urban roads for communication. To address the ch
Externí odkaz:
https://doaj.org/article/af059cee39cd4e94be7480750b27af17
Publikováno v:
Earthquake Research Advances, Vol 4, Iss 3, Pp 100274- (2024)
Distributed Acoustic Sensing (DAS) is an emerging technique for ultra-dense seismic observation, which provides a new method for high-resolution sub-surface seismic imaging. Recently a large number of linear DAS arrays have been used for two-dimensio
Externí odkaz:
https://doaj.org/article/b7d7901010824c60a0ba93174be620ff
Autor:
Satoru Baba, Eiichiro Araki, Takashi Yokobiki, Kei Kawamata, Keisuke Uchiyama, Takuji Yoshizuka
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-12 (2024)
Abstract As megathrust earthquakes often have source areas in offshore regions, offshore seismic observations are important. However, the detection capability and resolution of offshore earthquake locations are low owing to the small number of perman
Externí odkaz:
https://doaj.org/article/9a83258ce0e24cef96174ed411cc1e32
Autor:
Masaru Nakano, Mie Ichihara, Daisuke Suetsugu, Takao Ohminato, Shigeaki Ono, Rennie Vaiomounga, Taaniela Kula, Masanao Shinohara
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-12 (2024)
Abstract The devastation caused by the January 2022 eruption of Hunga Tonga-Hunga Ha’apai volcano (HTHH) in the Tongan archipelago reminded us of the importance of monitoring shallow-sea volcanic activity. Seismic observations are essential for suc
Externí odkaz:
https://doaj.org/article/b9ecfda4b05c45cda5024fdc1b8e06bd
Publikováno v:
Green Energy and Intelligent Transportation, Vol 3, Iss 5, Pp 100178- (2024)
Railroad condition monitoring is paramount due to frequent passage through densely populated regions. This significance arises from the potential consequences of accidents such as train derailments, hazardous materials leaks, or collisions which may
Externí odkaz:
https://doaj.org/article/ba39701bba054a5caa2d0b4c6a647250
Autor:
Beatriz Brusamarello, Uilian José Dreyer, Gilson Antonio Brunetto, Luis Fernando Pedrozo Melegari, Cicero Martelli, Jean Carlos Cardozo da Silva
Publikováno v:
Sensors, Vol 24, Iss 17, p 5777 (2024)
Over the past decade, distributed acoustic sensing has been utilized for structural health monitoring in various applications, owing to its continuous measurement capability in both time and space and its ability to deliver extensive data on the cond
Externí odkaz:
https://doaj.org/article/6b45560e0a4f42c796d5c1f1c7534c83
Autor:
Itzhak Lior
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 1, Pp n/a-n/a (2024)
Abstract The reliable estimation of earthquake magnitude and stress drop are key in seismology. The novel technology of distributed acoustic sensing (DAS) holds great promise for source parameter inversion owing to the measurements' high spatial dens
Externí odkaz:
https://doaj.org/article/44f4c12614574aa3945694325533bde9
Autor:
Yann Capdeville, Anthony Sladen
Publikováno v:
Seismica, Vol 3, Iss 1 (2024)
Distributed Acoustic Sensing (DAS) is a photonic technology allowing toconvert fiber-optics into long (tens of kilometers) and dense (every few meters) arrays of seismo-acoustic sensors which are basically measuring the strain of the cable all along
Externí odkaz:
https://doaj.org/article/cefa3de0f7124cdd8c33bad882cff25f
Autor:
Muhammad Rafi, Khairul Arifin Mohd Noh, Abdul Halim Abdul Latiff, Daniel Asante Otchere, Bennet Nii Tackie-Otoo, Ahmad Dedi Putra, Zaky Ahmad Riyadi, Dejen Teklu Asfha
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5560 (2024)
The advent of fiber optic technology in geophysics exploration has grown in its use in the exploration, production, and monitoring of subsurface environments, revolutionizing the way data are gathered and interpreted critically to speed up decision-m
Externí odkaz:
https://doaj.org/article/bc55301905764e06a5d423f6fe21fe4d
Autor:
Yin-Kai Wang, Robert R. Stewart
Publikováno v:
Energies, Vol 17, Iss 13, p 3119 (2024)
A 2D walkway vertical seismic profile (VSP) survey was conducted using a distributed acoustic sensing (DAS) system in southwest Utah, which is part of an enhanced geothermal system (EGS) project. The VSP was undertaken to obtain detailed structural i
Externí odkaz:
https://doaj.org/article/6c7cd75234fb4fa3bccc85d345c985cf